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Molecular characterization of circulating tumor cells in ovarian cancer
K. Kolostova, M. Pinkas, A. Jakabova, E. Pospisilova, P. Svobodova, J. Spicka, M. Cegan, R. Matkowski, V. Bobek,
Jazyk angličtina Země Spojené státy americké
Typ dokumentu časopisecké články
Grantová podpora
NT14441
MZ0
CEP - Centrální evidence projektů
Digitální knihovna NLK
Plný text - Článek
Zdroj
NLK
Free Medical Journals
od 2011
PubMed Central
od 2011
Europe PubMed Central
od 2011
PubMed
27293992
Knihovny.cz E-zdroje
- Publikační typ
- časopisecké články MeSH
The main focus of the study was to detect circulating tumor cells (CTCs) in ovarian cancer (OC) patients using a new methodological approach (MetaCell(TM)) which is based on size-dependent separation of CTCs and subsequent cytomorphological evaluation. Cytomorphological evaluation using vital fluorescence microscopy approach enables to use the captured cells for further RNA/DNA analysis. The cytomorphological analysis is then completed by gene expression analysis (GEA). GEA showed that relative expression of EPCAM is elevated in CTC-enriched fractions in comparison to the whole peripheral blood sample and that the expression grows with in vitro cultivation time. Comparison of the relative gene expression level in the group of peripheral blood samples and CTC-fraction samples confirmed a statistically significant difference for the following genes (p < 0.02): KRT7, WT1, EPCAM, MUC16, MUC1, KRT18 and KRT19. Thus, we suggest that the combination of the above listed genes could confirm CTCs presence in OC patients with higher specificity than when GEA tests are performed for one marker only. The GEA revealed two separate clusters identifying patients with or without CTCs.
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- $a Kološtová, Katarína, $u Department of Laboratory Genetics, University Hospital Kralovske Vinohrady Srobarova 50, 10034 Prague, Czech Republic. $d 1978- $7 xx0207726
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- $a Molecular characterization of circulating tumor cells in ovarian cancer / $c K. Kolostova, M. Pinkas, A. Jakabova, E. Pospisilova, P. Svobodova, J. Spicka, M. Cegan, R. Matkowski, V. Bobek,
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- $a The main focus of the study was to detect circulating tumor cells (CTCs) in ovarian cancer (OC) patients using a new methodological approach (MetaCell(TM)) which is based on size-dependent separation of CTCs and subsequent cytomorphological evaluation. Cytomorphological evaluation using vital fluorescence microscopy approach enables to use the captured cells for further RNA/DNA analysis. The cytomorphological analysis is then completed by gene expression analysis (GEA). GEA showed that relative expression of EPCAM is elevated in CTC-enriched fractions in comparison to the whole peripheral blood sample and that the expression grows with in vitro cultivation time. Comparison of the relative gene expression level in the group of peripheral blood samples and CTC-fraction samples confirmed a statistically significant difference for the following genes (p < 0.02): KRT7, WT1, EPCAM, MUC16, MUC1, KRT18 and KRT19. Thus, we suggest that the combination of the above listed genes could confirm CTCs presence in OC patients with higher specificity than when GEA tests are performed for one marker only. The GEA revealed two separate clusters identifying patients with or without CTCs.
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- $a Pinkas, Michael $u Department of Laboratory Genetics, University Hospital Kralovske Vinohrady Srobarova 50, 10034 Prague, Czech Republic.
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- $a Cegan, Martin $u Department of Pathology and Thoracic Surgery, Masaryk's Hospital in Usti nad Labem Krajska zdravotni a.s., Socialni pece 3316/12A, 40113 Usti nad Labem, Czech Republic.
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- $a Matkowski, Rafal $u Division of Surgical Oncology, Gynaecological Oncology, Chemotherapy and Department of Oncology, Wroclaw Medical Universitywybrzeże Ludwika Pasteura 1, 50-367 Wrocław, Poland; Lower Silesian Cancer CenterWroclaw, Plac Hirszfelda 12, 53-413 Wrocław, Poland.
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- $a Bobek, Vladimír $u Department of Laboratory Genetics, University Hospital Kralovske VinohradySrobarova 50, 10034 Prague, Czech Republic; Department of Pathology and Thoracic Surgery, Masaryk's Hospital in Usti nad LabemKrajska zdravotni a.s., Socialni pece 3316/12A, 40113 Usti nad Labem, Czech Republic; Department of Histology and Embryology, Wroclaw Medical Universitywybrzeże Ludwika Pasteura 1, 50-367 Wrocław, Poland; 3rd Department of Surgery University Hospital Motol and 1st Faculty of Medicine Charles UniversityV Uvalu 84, 15006 Prague, Czech Republic. $7 xx0162734
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